Roo/XComponent.js

roojs-bootstrap.js
roojs-bootstrap-debug.js

diff --git a/Roo/XComponent.js b/Roo/XComponent.js
index 9283197..7194a44 100644 (file)
--- a/Roo/XComponent.js
+++ b/Roo/XComponent.js
@@ -688,7 +688,11 @@ Roo.apply(Roo.XComponent, {
      */
        overlayStrings : function( component, strings )
     {
-        if (typeof(component['_named_strings']) == undefined) {
+        if(typeof(component) == 'undefined') {
+            throw "ERROR: component undefined";
+        }
+        
+        if (typeof(component['_named_strings']) == 'undefined') {
             throw "ERROR: component does not have _named_strings";
         }
         for ( var k in strings ) {